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Marketable Securities - Maturities (Details) - USD ($)
$ in Thousands
Mar. 26, 2022
Dec. 25, 2021
Debt Securities, Available-for-sale, Maturity, Allocated and Single Maturity Date, Amortized Cost, Rolling Maturity [Abstract]    
Amortized Cost, Due within one year $ 57,746  
Amortized Cost, Due after one year through five years 89,527  
Amortized Cost, Due after five years through ten years 49,880  
Amortized Cost 197,153 $ 196,878
Debt Securities, Available-for-sale, Maturity, Allocated and Single Maturity Date, Rolling Maturity, Fair Value [Abstract]    
Fair Value, Due within one year 57,494  
Fair Value, Due after one year through five years 87,916  
Fair Value, Due after five years through ten years 47,051  
Fair Value $ 192,461